"thái tử" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "太子"
      },
      "expansion": "Sino-Vietnamese word from 太子",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 太子.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "thái tử",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thái tử",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Monarchy",
          "orig": "vi:Monarchy",
          "parents": [
            "Forms of government",
            "High society",
            "Government",
            "Society",
            "Politics",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "hoàng thái tử"
        }
      ],
      "glosses": [
        "crown prince"
      ],
      "id": "en-thái_tử-vi-noun-vBD2MMf3",
      "links": [
        [
          "crown prince",
          "crown prince"
        ]
      ],
      "related": [
        {
          "word": "hoàng tử"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰaːj˧˦ tɨ˧˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰaːj˨˩˦ tɨ˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰaːj˦˥ tɨ˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "thái tử"
}

{
  "derived": [
    {
      "word": "hoàng thái tử"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "太子"
      },
      "expansion": "Sino-Vietnamese word from 太子",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 太子.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "noun",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "thái tử",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thái tử",
      "name": "vi-noun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "noun",
  "related": [
    {
      "word": "hoàng tử"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese nouns",
        "Vietnamese terms with IPA pronunciation",
        "vi:Monarchy"
      ],
      "glosses": [
        "crown prince"
      ],
      "links": [
        [
          "crown prince",
          "crown prince"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰaːj˧˦ tɨ˧˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰaːj˨˩˦ tɨ˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰaːj˦˥ tɨ˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "thái tử"
}